Skip to main content
DMV Test Free

Practice test 2 of 10

North Carolina CDL — General Knowledge Practice Test 2

The North Carolina CDL — General Knowledge knowledge test has ~50 questions; you need ~40 correct (80%) to pass.

This practice test follows that format: 50 questions, pass with 40 correct. Answer every page, then grade it to see the answers and explanations.

Questions 1–10 of 50

  1. 1.In roadway work zones, what is the leading cause of injuries and deaths?
  2. 2.If your drive wheels start to hydroplane, what should you do?
  3. 3.What is generally the best advice for driving in dense fog?
  4. 4.Which headlights give you the best visibility in fog?
  5. 5.Compared with a flat mirror, how do objects appear in a convex (curved, 'fisheye') mirror?
  6. 6.How much following distance should the driver of a 60-foot rig allow at speeds over 40 mph?
  7. 7.What does 'counter-steering' mean in an emergency steering maneuver?
  8. 8.The manual says the heaviest parts of a load should be placed where?
  9. 9.A four-digit identification number preceded by 'UN' or 'NA' on a placard or orange panel identifies what?
  10. 10.Why should you not simply take a posted bridge or overpass height at face value?

0 of 50 answered